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WO2020020734A1 - Dispositifs de communication, équipement d'infrastructure et procédés - Google Patents

Dispositifs de communication, équipement d'infrastructure et procédés Download PDF

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Publication number
WO2020020734A1
WO2020020734A1 PCT/EP2019/069357 EP2019069357W WO2020020734A1 WO 2020020734 A1 WO2020020734 A1 WO 2020020734A1 EP 2019069357 W EP2019069357 W EP 2019069357W WO 2020020734 A1 WO2020020734 A1 WO 2020020734A1
Authority
WO
WIPO (PCT)
Prior art keywords
bandwidth parts
bandwidth
wireless access
access interface
signals
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/EP2019/069357
Other languages
English (en)
Inventor
Yassin Aden Awad
Shin Horng Wong
Kazuyuki Shimezawa
Vivek Sharma
Martin Warwick Beale
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sony Europe BV United Kingdom Branch
Sony Corp
Original Assignee
Sony Europe BV United Kingdom Branch
Sony Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Sony Europe BV United Kingdom Branch, Sony Corp filed Critical Sony Europe BV United Kingdom Branch
Priority to CN201980048312.0A priority Critical patent/CN112438033B/zh
Priority to EP19739644.3A priority patent/EP3811552A1/fr
Priority to US17/259,951 priority patent/US12010046B2/en
Publication of WO2020020734A1 publication Critical patent/WO2020020734A1/fr
Anticipated expiration legal-status Critical
Priority to US18/738,836 priority patent/US20240333440A1/en
Ceased legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/0001—Arrangements for dividing the transmission path
    • H04L5/0003—Two-dimensional division
    • H04L5/0005—Time-frequency
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0037—Inter-user or inter-terminal allocation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0042—Intra-user or intra-terminal allocation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0058—Allocation criteria
    • H04L5/0064—Rate requirement of the data, e.g. scalable bandwidth, data priority
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/0091—Signalling for the administration of the divided path, e.g. signalling of configuration information
    • H04L5/0096—Indication of changes in allocation
    • H04L5/0098—Signalling of the activation or deactivation of component carriers, subcarriers or frequency bands
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/0001—Arrangements for dividing the transmission path
    • H04L5/0003—Two-dimensional division
    • H04L5/0005—Time-frequency
    • H04L5/0007—Time-frequency the frequencies being orthogonal, e.g. OFDM(A) or DMT

Definitions

  • One embodiment of the present technique can provide a communications device for communicating via a wireless access interface, the communications device comprising transceiver circuitry and controller circuitry configured in combination to receive signals using at least two of a plurality of bandwidth parts of the wireless access interface, each of the bandwidth parts being smaller than and within a carrier bandwidth of the wireless access interface, wherein the at least two of the bandwidth parts at least partially overlap in frequency resources of the carrier bandwidth and time resources of the wireless access interface, to receive the signals via both of the at least two bandwidth parts, and to decode the signals received via each of the at least two bandwidth parts separately.
  • Embodiments of the present technique which further relate to infrastructure equipment, methods of operating communications devices and infrastructure equipment and circuitry for communications devices and infrastructure equipment, allow for the transmission and reception of signals by communications devices via multiple bandwidth parts in ways which allow for a reduction in power consumption at the communications devices.
  • Figure 2 illustrates an example of bandwidth adaptation, and is reproduced from [4]
  • Figure 5 shows an example of having a nested structure of a primary BWP and secondary BWPs in a carrier system bandwidth in accordance with a first embodiment of the present technique
  • Figure 9 is a flow diagram representation of a method of operating a communications device according to a third embodiment of the present technique.
  • Figure 1 a provides a schematic diagram illustrating some basic functionality of a mobile telecommunications network / system 10 operating generally in accordance with LTE principles, but which may also support other radio access technologies, and which may be adapted to implement embodiments of the disclosure as described herein.
  • Various elements of Figure 1 a and certain aspects of their respective modes of operation are well-known and defined in the relevant standards administered by the 3GPP (RTM) body, and also described in many books on the subject, for example, Holma H.
  • eMBB Enhanced Mobile Broadband
  • Short scheduling interval Transmissions can be scheduled at frequent intervals.
  • the scheduling interval may be less than the duration of a slot in the frame (e.g. when the slot duration is 1 ms, it may be possible to schedule URLLC every 0.1 ms, i.e. with a scheduling interval of 0.1 ms).
  • Short TTI The transmission time interval (TTI) of a URLLC transmission may consist of a small number of OFDM symbols (i.e. much smaller than the duration of a slot).
  • the short TTI referred to above can be termed a“mini-slot”.
  • the scheduling interval may also have an extent of a mini-slot.
  • High reliability can be achieved through one or more of the following techniques (which can be applied in combination):
  • Hybrid ARQ The URLLC transmission is protected with a cyclic redundancy check
  • one active BWP is always being a primary BWP and others as secondary BWPs in a serving cell, as shown in Figure 4.
  • the primary BWP 420 is always active, and the UE receives control and data transmissions on this primary active BWP 420 in addition to other secondary BWPs.
  • a secondary BWP is only activated when there is a high amount of data transmission or when a different service is available that requires a different numerology.
  • BWP1 510 overlaps with BWP2 520 in the shaded portion 540.
  • the communications device comprises transceiver circuitry and controller circuitry (which may be, for example, a microprocessor, a CPU, or a dedicated chipset, etc.) configured in combination to receive signals from one of the infrastructure equipment using the non-default 610, 630 bandwidth parts, to determine that one of the non- default bandwidth parts 610 is deactivated, and to receive the signals via the others 630 of the non-default bandwidth parts to the deactivated one 610 of the non-default bandwidth parts in preference to receiving the signals from the default bandwidth part 620.
  • controller circuitry which may be, for example, a microprocessor, a CPU, or a dedicated chipset, etc.
  • a UE does not move to a default BWP in order to avoid wasting power by operating with the default BWP at the same time as the other non- default BWP.
  • a default BWP is typically narrower than the non-default BWPs, so as to allow for power consumption reduction at a UE if the UE falls back to it when there is no data associated with services for which the higher bandwidth non-default BWPs are used.
  • the method begins in step S81.
  • the method comprises, in step S82, receiving signals from one of the infrastructure equipment using the non-default bandwidth parts.
  • step S83 the process comprises determining that one of the non-default bandwidth parts is deactivated.
  • step S84 the process comprises receiving the signals via the others of the non-default bandwidth parts to the deactivated one of the non-default bandwidth parts in preference to receiving the signals from the default bandwidth part.
  • step S85 ends in step S85.
  • a communications device comprises transceiver circuitry and controller circuitry configured in combination to receive signals from one of the infrastructure equipment using at least two of a plurality of bandwidth parts of the wireless access interface, each of the bandwidth parts being smaller than and within a carrier bandwidth of the wireless access interface, wherein the at least two of the bandwidth parts at least partially overlap in frequency resources of the carrier bandwidth and time resources of the wireless access interface, to receive the signals via both of the at least two bandwidth parts, and to decode the signals received via each of the at least two bandwidth parts separately.
  • Paragraph 2 A communications device according to Paragraph 1 , wherein the at least two bandwidth parts comprise a primary bandwidth part and at least one secondary bandwidth part, and the controller circuitry is configured to select one of the primary and secondary bandwidth parts for receiving or transmitting signals.
  • Paragraph 3 A communications device according to Paragraph 1 or Paragraph, wherein the at least two bandwidth parts comprise a primary bandwidth part and at least one secondary bandwidth part, and the transceiver circuitry and controller circuitry are configured in
  • Paragraph 5 A communications device according to any of Paragraphs 1 to 4, wherein the at least two bandwidth parts comprise a primary bandwidth part and at least one secondary bandwidth part, the primary bandwidth part and the at least one secondary bandwidth part having a same numerology, and the transceiver circuitry and controller circuitry are configured in combination to decode signals received via a larger one of the at least two bandwidth parts, the signals being located on the overlapped frequency resources of a smaller one of the at least two bandwidth parts and the larger of the bandwidth parts.
  • a communications device for communicating via a wireless access interface, the wireless access interface comprising a plurality of bandwidth parts, each of the bandwidth parts being smaller than and within a carrier bandwidth of the wireless access interface, the plurality of bandwidth parts comprising a default bandwidth part and at least two non-default bandwidth parts which are not always active, the communications device comprising transceiver circuitry and controller circuitry configured in combination
  • Paragraph 10 A communications device according to any of Paragraphs 7 to 9, wherein the determination is made based on receiving Radio Resource Control, RRC, signalling.
  • RRC Radio Resource Control
  • Paragraph 11 A communications device according to any of Paragraphs 7 to 10, wherein the determination is made based on receiving Downlink Control Information, DCI, signalling.
  • Paragraph 12 A communications device according to any of Paragraphs 7 to 11 , wherein the determination is made based on receiving Medium Access Control, MAC, Control Entity, MAC- CE, signalling.
  • Paragraph 14 A communications device according to Paragraph 13, wherein the at least two bandwidth parts comprise a primary bandwidth part and at least one secondary bandwidth part, and the controller circuitry is configured to select one of the primary and secondary bandwidth parts for receiving or transmitting signals.
  • Paragraph 15 A communications device according to Paragraph 13 or Paragraph 14, wherein the at least two bandwidth parts comprise a primary bandwidth part and at least one secondary bandwidth part, and the transceiver circuitry and controller circuitry are configured in
  • Paragraph 19 A communications device according to any of Paragraphs 7 to 18, wherein the transceiver circuitry and controller circuitry are configured in combination
  • Paragraph 24 Circuitry for a communications device for communicating via a wireless access interface, the communications device comprising transceiver circuitry and controller circuitry configured in combination
  • each of the bandwidth parts being smaller than and within a carrier bandwidth of the wireless access interface, wherein the at least two of the bandwidth parts at least partially overlap in frequency resources of the carrier bandwidth and time resources of the wireless access interface
  • Paragraph 26 Circuitry for a communications device for communicating via a wireless access interface, the wireless access interface comprising a plurality of bandwidth parts, each of the bandwidth parts being smaller than and within a carrier bandwidth of the wireless access interface, the plurality of bandwidth parts comprising a default bandwidth part and at least two non-default bandwidth parts which are not always active, the communications device comprising transceiver circuitry and controller circuitry configured in combination
  • Paragraph 29 An infrastructure equipment forming part of a wireless communications network for communicating with one or more communications devices via a wireless access interface, the infrastructure equipment comprising transceiver circuitry and controller circuitry configured in combination
  • Paragraph 31 Circuitry for an infrastructure equipment forming part of a wireless
  • An infrastructure equipment forming part of a wireless communications network for communicating with one or more communications devices via a wireless access interface, the wireless access interface comprising a plurality of bandwidth parts, each of the bandwidth parts being smaller than and within a carrier bandwidth of the wireless access interface, the plurality of bandwidth parts comprising a default bandwidth part and at least two non-default bandwidth parts which are not always active, the infrastructure equipment comprising transceiver circuitry and controller circuitry configured in combination
  • the wireless access interface comprising a plurality of bandwidth parts, each of the bandwidth parts being smaller than and within a carrier bandwidth of the wireless access interface, the plurality of bandwidth parts comprising a default bandwidth part and at least two non-default bandwidth parts which are not always active,
  • the infrastructure equipment comprising transceiver circuitry and controller circuitry configured in combination to transmit signals to one of the communications devices using the non-default bandwidth parts
  • Paragraph 36 A method of operating an infrastructure equipment forming part of a wireless communications network for communicating with one or more communications devices via a wireless access interface, the method comprising

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

La présente invention concerne des dispositifs de communication pour communiquer via une interface d'accès sans fil. Dans un mode de réalisation, un dispositif de communication comprend des circuits d'émetteur-récepteur et des circuits de contrôleur configurés en combinaison pour recevoir des signaux à l'aide d'au moins deux parties d'une pluralité de parties de largeur de bande de l'interface d'accès sans fil, chacune des parties de largeur de bande étant plus petite qu'une largeur de bande de porteuse de l'interface d'accès sans fil et comprise dans cette largeur de bande, les deux parties de largeur de bande ou plus se recouvrant au moins en partie dans des ressources fréquence de la largeur de bande de porteuse et dans des ressources de temps de l'interface d'accès sans fil, pour recevoir les signaux via deux des deux parties de largeur de bande ou plus, et pour décoder séparément les signaux reçus via chaque partie respective des deux parties de largeur de bande ou plus. Dans un autre mode de réalisation, l'interface d'accès sans fil comprend une pluralité de parties de largeur de bande, chaque partie de largeur de bande étant plus petite qu'une largeur de bande de porteuse de l'interface d'accès sans fil et comprise dans cette largeur de bande, la pluralité des parties de largeur de bande comprenant une partie de largeur de bande par défaut et au moins deux parties de largeur de bande non par défaut qui ne sont pas toujours actives, et un dispositif de communication comprenant des circuits d'émetteur-récepteur et des circuits de contrôleur configurés en combinaison pour recevoir des signaux à l'aide des parties de largeur de bande non par défaut, pour déterminer qu'une des parties de largeur de bande non par défaut est désactivée, et pour recevoir les signaux via les autres parties de largeur de bande non par défaut vers la partie désactivée des parties de largeur de bande non par défaut de préférence à la réception des signaux depuis la partie de largeur de bande par défaut. Dans encore un autre mode de réalisation, un dispositif de communication comprend des circuits d'émetteur-récepteur et des circuits de contrôleur configurés en combinaison pour émettre une indication d'une capacité du dispositif de communication à recevoir ou à émettre des signaux à l'aide d'au moins deux parties d'une pluralité de parties de largeur de bande de l'interface d'accès sans fil, chacune des parties de largeur de bande étant plus petite d'une largeur de bande de porteuse de l'interface d'accès sans fil et comprise dans cette largeur de bande.
PCT/EP2019/069357 2018-07-26 2019-07-18 Dispositifs de communication, équipement d'infrastructure et procédés Ceased WO2020020734A1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
CN201980048312.0A CN112438033B (zh) 2018-07-26 2019-07-18 通信设备、基础设施设备以及方法
EP19739644.3A EP3811552A1 (fr) 2018-07-26 2019-07-18 Dispositifs de communication, équipement d'infrastructure et procédés
US17/259,951 US12010046B2 (en) 2018-07-26 2019-07-18 Communications devices, infrastructure equipment and methods for communicating via an access interface divided into multiple bandwidth parts
US18/738,836 US20240333440A1 (en) 2018-07-26 2024-06-10 Communications devices, infrastructure equipment and methods for communicating via an access interface divided into multiple bandwidth parts

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP18185912.5 2018-07-26
EP18185912 2018-07-26

Related Child Applications (2)

Application Number Title Priority Date Filing Date
US17/259,951 A-371-Of-International US12010046B2 (en) 2018-07-26 2019-07-18 Communications devices, infrastructure equipment and methods for communicating via an access interface divided into multiple bandwidth parts
US18/738,836 Continuation US20240333440A1 (en) 2018-07-26 2024-06-10 Communications devices, infrastructure equipment and methods for communicating via an access interface divided into multiple bandwidth parts

Publications (1)

Publication Number Publication Date
WO2020020734A1 true WO2020020734A1 (fr) 2020-01-30

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US (2) US12010046B2 (fr)
EP (1) EP3811552A1 (fr)
CN (1) CN112438033B (fr)
WO (1) WO2020020734A1 (fr)

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US11456796B2 (en) 2018-09-18 2022-09-27 Sony Corporation Communications device, infrastructure equipment and methods

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KR102867313B1 (ko) * 2020-01-06 2025-10-01 삼성전자 주식회사 차세대 이동통신 시스템에서 작은 크기의 데이터를 효과적으로 전송하는 방법 및 장치
US20250219802A1 (en) * 2022-03-31 2025-07-03 Lenovo (Singapore) Pte. Limited Reducing receiver desensitization for frequency division duplex bands using bandwidth parts
US12369143B2 (en) * 2022-10-26 2025-07-22 Qualcomm Incorporated Adaptive configured grant allocation parameters for energy harvesting devices and XR applications
US12402142B2 (en) * 2022-10-26 2025-08-26 Qualcomm Incorporated Adaptive configured grant allocation parameters for energy harvesting devices and XR applications

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Also Published As

Publication number Publication date
US20240333440A1 (en) 2024-10-03
US20210281369A1 (en) 2021-09-09
US12010046B2 (en) 2024-06-11
EP3811552A1 (fr) 2021-04-28
CN112438033B (zh) 2024-09-24
CN112438033A (zh) 2021-03-02

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